%I A011761
%S A011761 1,1,5,6,7,12,18,25,37,55,80,117,172,252,369,541,793,1162,
%T A011761 1703,2496,3658,5361,7857,11515,16876,24733,36248,53124,
%U A011761 77857,114105,167229,245086,359191,526420,771506,1130697
%N A011761 a(n) = a(n-1) + a(n-3).
%Y A011761 Sequence in context: A120521 A022566 A047320 this_sequence A106745 A165776 
               A003273
%Y A011761 Adjacent sequences: A011758 A011759 A011760 this_sequence A011762 A011763 
               A011764
%K A011761 nonn
%O A011761 0,3
%A A011761 Juan-Carlos Lerman (jclerm(AT)aztec.asu.edu)